bush four and a half years ago and stayed on to help president obama manage the wars in iraq and afghanistan. we have done a number of stories here about hackers breaking into the computers of major banks and even governments. but turns out there is a little- known crime wave in this country, with cyber thieves reaching into thousands of places you wouldn't expect and carrying away a fortune. armen keteyian has been investigating. >> through him, with him, in him... >> reporter: at st. ambrose cathedral in des moines, iowa, midday holds special meaning. >> it's gone. and so you have to take a deep breath and you have to trust in the lord. >> reporter: what was gone-- all gone-- says bishop richard pates was more than $680,000 the diocese had just raised to help the homeless and abused women, swiped in a covert attack by hackers. >> why would they do it at a particular time when we had the greatest amount of funds available? >> reporter: the iowa heist is part of the latest wave of cyber crime, account takeover fraud. in it, crime gangs-- many located in eastern europe-- target small towns, c